F: include/linux/mv643xx.h
MARVELL MWL8K WIRELESS DRIVER
-M: Lennert Buytenhek <buytenh@marvell.com>
+M: Lennert Buytenhek <buytenh@wantstofly.org>
L: linux-wireless@vger.kernel.org
-S: Supported
+S: Maintained
F: drivers/net/wireless/mwl8k.c
MARVELL SOC MMC/SD/SDIO CONTROLLER DRIVER
* Necessary to avoid issues on AR5416 2.0
*/
REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
+
+ /*
+ * Disable RIFS search on some chips to avoid baseband
+ * hang issues.
+ */
+ if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
+ val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
+ val &= ~AR_PHY_RIFS_INIT_DELAY;
+ REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
+ }
}
static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah,
#define AR_PHY_HEAVY_CLIP_ENABLE 0x99E0
+#define AR_PHY_HEAVY_CLIP_FACTOR_RIFS 0x99EC
+#define AR_PHY_RIFS_INIT_DELAY 0x03ff0000
+
#define AR_PHY_M_SLEEP 0x99f0
#define AR_PHY_REFCLKDLY 0x99f4
#define AR_PHY_REFCLKPD 0x99f8
depends on SSB_POSSIBLE && MAC80211 && HAS_DMA
select SSB
select FW_LOADER
- select SSB_BLOCKIO
---help---
b43 is a driver for the Broadcom 43xx series wireless devices.
If unsure, say N.
+#Data transfers to the device via PIO. We want it as a fallback even
+# if we can do DMA.
+config B43_PIO
+ bool
+ depends on B43
+ select SSB_BLOCKIO
+ default y
+
config B43_NPHY
bool "Pre IEEE 802.11n support (BROKEN)"
depends on B43 && EXPERIMENTAL && BROKEN
for production use.
Only say Y, if you are debugging a problem in the b43 driver sourcecode.
+config B43_FORCE_PIO
+ bool "Force usage of PIO instead of DMA"
+ depends on B43 && B43_DEBUG
+ ---help---
+ This will disable DMA and always enable PIO instead.
+ Say N!
+ This is only for debugging the PIO engine code. You do
+ _NOT_ want to enable this.
bool radio_hw_enable; /* saved state of radio hardware enabled state */
bool qos_enabled; /* TRUE, if QoS is used. */
bool hwcrypto_enabled; /* TRUE, if HW crypto acceleration is enabled. */
+ bool use_pio; /* TRUE if next init should use PIO */
/* PHY/Radio device. */
struct b43_phy phy;
return dev->__using_pio_transfers;
}
+#ifdef CONFIG_B43_FORCE_PIO
+# define B43_PIO_DEFAULT 1
+#else
+# define B43_PIO_DEFAULT 0
+#endif
+
/* Message printing */
void b43info(struct b43_wl *wl, const char *fmt, ...)
__attribute__ ((format(printf, 2, 3)));
module_param_named(verbose, b43_modparam_verbose, int, 0644);
MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug");
-static int modparam_pio;
-module_param_named(pio, modparam_pio, int, 0444);
-MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode");
+int b43_modparam_pio = B43_PIO_DEFAULT;
+module_param_named(pio, b43_modparam_pio, int, 0644);
+MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO");
static const struct ssb_device_id b43_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5),
dma_reason[4], dma_reason[5]);
b43err(dev->wl, "This device does not support DMA "
"on your system. Please use PIO instead.\n");
- b43err(dev->wl, "Unload the b43 module and reload "
- "with 'pio=1'\n");
+ /* Fall back to PIO transfers if we get fatal DMA errors! */
+ dev->use_pio = 1;
+ b43_controller_restart(dev, "DMA error");
return;
}
if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) ||
(dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) ||
- modparam_pio) {
+ dev->use_pio) {
dev->__using_pio_transfers = 1;
err = b43_pio_init(dev);
} else {
if (!wldev)
goto out;
+ wldev->use_pio = b43_modparam_pio;
wldev->dev = dev;
wldev->wl = wl;
b43_set_status(wldev, B43_STAT_UNINIT);
return ret;
case IEEE80211_AMPDU_TX_START:
IWL_DEBUG_HT(priv, "start Tx\n");
- ret = iwl_tx_agg_start(priv, sta->addr, tid, ssn);
- if (ret == 0) {
- priv->agg_tids_count++;
- IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n",
- priv->agg_tids_count);
- }
- return ret;
+ return iwl_tx_agg_start(priv, sta->addr, tid, ssn);
case IEEE80211_AMPDU_TX_STOP:
IWL_DEBUG_HT(priv, "stop Tx\n");
ret = iwl_tx_agg_stop(priv, sta->addr, tid);
- if ((ret == 0) && (priv->agg_tids_count > 0)) {
- priv->agg_tids_count--;
- IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n",
- priv->agg_tids_count);
- }
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return 0;
else
priv->iw_mode = NL80211_IFTYPE_STATION;
priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
- priv->agg_tids_count = 0;
/* initialize force reset */
priv->force_reset[IWL_RF_RESET].reset_duration =
#define TX_CMD_LIFE_TIME_INFINITE cpu_to_le32(0xFFFFFFFF)
#define IWL_GOOD_CRC_TH cpu_to_le16(1)
#define IWL_MAX_SCAN_SIZE 1024
+#define IWL_MAX_CMD_SIZE 4096
#define IWL_MAX_PROBE_REQUEST 200
/*
/* storing the jiffies when the plcp error rate is received */
unsigned long plcp_jiffies;
- /* reporting the number of tids has AGG on. 0 means no AGGREGATION */
- u8 agg_tids_count;
-
/* force reset */
struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
#define REG_RECALIB_PERIOD (60)
-/* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */
-#define ACK_CNT_RATIO (50)
-#define BA_TIMEOUT_CNT (5)
-#define BA_TIMEOUT_MAX (16)
-
#define PLCP_MSG "plcp_err exceeded %u, %u, %u, %u, %u, %d, %u mSecs\n"
void iwl_rx_statistics(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
int combined_plcp_delta;
unsigned int plcp_msec;
unsigned long plcp_received_jiffies;
- int actual_ack_cnt_delta;
- int expected_ack_cnt_delta;
- int ba_timeout_delta;
IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
(int)sizeof(priv->statistics),
#ifdef CONFIG_IWLWIFI_DEBUG
iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats);
#endif
- actual_ack_cnt_delta = le32_to_cpu(pkt->u.stats.tx.actual_ack_cnt) -
- le32_to_cpu(priv->statistics.tx.actual_ack_cnt);
- expected_ack_cnt_delta = le32_to_cpu(
- pkt->u.stats.tx.expected_ack_cnt) -
- le32_to_cpu(priv->statistics.tx.expected_ack_cnt);
- ba_timeout_delta = le32_to_cpu(
- pkt->u.stats.tx.agg.ba_timeout) -
- le32_to_cpu(priv->statistics.tx.agg.ba_timeout);
- if ((priv->agg_tids_count > 0) &&
- (expected_ack_cnt_delta > 0) &&
- (((actual_ack_cnt_delta * 100) / expected_ack_cnt_delta) <
- ACK_CNT_RATIO) &&
- (ba_timeout_delta > BA_TIMEOUT_CNT)) {
- IWL_DEBUG_RADIO(priv,
- "actual_ack_cnt delta = %d, expected_ack_cnt = %d\n",
- actual_ack_cnt_delta, expected_ack_cnt_delta);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n",
- priv->delta_statistics.tx.rx_detected_cnt);
- IWL_DEBUG_RADIO(priv,
- "ack_or_ba_timeout_collision delta = %d\n",
- priv->delta_statistics.tx.ack_or_ba_timeout_collision);
-#endif
- IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n",
- ba_timeout_delta);
- if ((actual_ack_cnt_delta == 0) &&
- (ba_timeout_delta >=
- BA_TIMEOUT_MAX)) {
- IWL_DEBUG_RADIO(priv,
- "call iwl_force_reset(IWL_FW_RESET)\n");
- iwl_force_reset(priv, IWL_FW_RESET);
- } else {
- IWL_DEBUG_RADIO(priv,
- "call iwl_force_reset(IWL_RF_RESET)\n");
- iwl_force_reset(priv, IWL_RF_RESET);
- }
- }
/*
* check for plcp_err and trigger radio reset if it exceeds
* the plcp error threshold plcp_delta.
for (i = 0; i < actual_slots; i++) {
/* only happens for cmd queue */
if (i == slots_num)
- len += IWL_MAX_SCAN_SIZE;
+ len = IWL_MAX_CMD_SIZE;
txq->cmd[i] = kmalloc(len, GFP_KERNEL);
if (!txq->cmd[i])
/* If any of the command structures end up being larger than
* the TFD_MAX_PAYLOAD_SIZE, and it sent as a 'small' command then
- * we will need to increase the size of the TFD entries */
+ * we will need to increase the size of the TFD entries
+ * Also, check to see if command buffer should not exceed the size
+ * of device_cmd and max_cmd_size. */
BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
!(cmd->flags & CMD_SIZE_HUGE));
+ BUG_ON(fix_size > IWL_MAX_CMD_SIZE);
if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) {
IWL_WARN(priv, "Not sending command - %s KILL\n",
if (cmd->flags & CMD_SIZE_HUGE)
out_cmd->hdr.sequence |= SEQ_HUGE_FRAME;
len = sizeof(struct iwl_device_cmd);
- len += (idx == TFD_CMD_SLOTS) ? IWL_MAX_SCAN_SIZE : 0;
-
+ if (idx == TFD_CMD_SLOTS)
+ len = IWL_MAX_CMD_SIZE;
#ifdef CONFIG_IWLWIFI_DEBUG
switch (out_cmd->hdr.cmd) {
* used.
*/
-#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+#if defined(CONFIG_WLAN) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
# if defined(CONFIG_MAC80211_MESH)
# define LL_MAX_HEADER 128
# else
debugfs_hw_add(local);
+ /*
+ * if the driver doesn't specify a max listen interval we
+ * use 5 which should be a safe default
+ */
if (local->hw.max_listen_interval == 0)
- local->hw.max_listen_interval = 1;
+ local->hw.max_listen_interval = 5;
local->hw.conf.listen_interval = local->hw.max_listen_interval;
break;
case IEEE80211_WORK_ABORT:
rma = WORK_ACT_TIMEOUT;
+ break;
case IEEE80211_WORK_DIRECT_PROBE:
rma = ieee80211_direct_probe(wk);
break;
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff